Title:
Multiple wall sight and sound insulating partition
Document Type and Number:
United States Patent 3090425

Inventors:
Carlo, Clarence E.
Publication Date:
05/21/1963
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Assignee:
DUBUQUE PRODUCTS INC
Primary Class:
160/25
International Classes:
E06B9/08
US Patent References:
0387698
0484957
0705045
1585270Articulated door
1806859
1827433Sliding door
2370794Fabric venetian blind
2564197Flexible rolling closure for cabinets
2934139Side coiling articulated partition and drive mechanism therefor


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